CVE-2026-46721
MEDIUMBroken Access Control in extension "Frontend User Registration" (sf_register)
Title source: cnaDescription
The create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker can assign an arbitrary frontend user group to a newly registered or edited account, gaining unauthorized access to content and functionality restricted to privileged frontend user groups.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
https://typo3.org/security/advisory/typo3-ext-sa-2026-009
Scores
CVSS v4
6.9
EPSS
0.0005
EPSS Percentile
16.5%
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-639
CWE-915
Status
published
Products (2)
TYPO3/Extension "Frontend User Registration"
< 13.2.4
TYPO3/Extension "Frontend User Registration"
14.0.0 - 14.0.2
Published
May 19, 2026
Tracked Since
May 19, 2026